Parts of the Eye and Their Functions

What is the tough, white outer coating of the eye called?

What is the transparent front region of the sclera called?

What is the transparent biconvex structure that bends light, focusing it on the retina?

What holds the lens in place in the eye?

What is the coloured disc that can expand and contract to allow more or less light through?

What is the hole in the centre of the iris, which allows light into the eye?

What is the region behind the iris that secretes jelly-like fluid that fills the eye?

What controls the shape of the lens, for focusing light on to the retina?

What is the thin sheet of receptor cells that respond to light in the eye called?

What is the bundle of nerve fibres from the receptors in the retina called?